Positive Coefficient: Real-world Applications in Medicine & Health
Mathematics
Grade 8
11 questions
~22 mins
1 views0 downloads
About This Worksheet
This worksheet explores the concept of positive coefficients in algebraic expansions, with a focus on real-world applications related to medicine and health. Students will practice expanding brackets, solving problems, and applying their understanding to practical scenarios.
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Full preview • 11 questions
Positive Coefficient: Real-world Applications in Medicine & Health
Subject: MathematicsGrade: Grade 8
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Untitled Worksheet
Grade Grade 8
A
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
Expand the expression: 3(x + 4)
[2 marks]2.
Expand: 5(a + 2)
[2 marks]3.
Calculate the expanded form of 2(3 + x).
[2 marks]4.
Simplify the expansion of 4(y + 3).
[2 marks]5.
A pill dosage formula is expressed as 7(2 + x) mg, where x is the number of additional active ingredients. Expand this expression.
[3 marks]6.
A health supplement label states: 'Each capsule contains 5(1 + y) mg of active ingredient.' Expand this expression.
[3 marks]7.
Expand: 6(x + 1.5).
[2 marks]8.
A medication dose is calculated as 4(2 + z) ml. Expand and simplify this expression.
[3 marks]9.
A health researcher models the effect of a drug as 3(a + 5). Expand the expression.
[3 marks]10.
Identify and correct the mistake in expanding: 2(x - 3).
[2 marks]11.
Challenge: Expand the expression 8(0.5x + 2) and interpret the result in health terms.
[3 marks]Quick Actions
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Details
- Created
- 1/1/2026
- Updated
- 1/1/2026
- Type
- worksheet